Display icon for an electronic hitch coupling system



FIG. 1 is a front, top perspective view of a display icon for an electronic hitch coupling system, the broken line drawings of an electronic hitch coupling system and other icons are for illustrative purposes only and form no part of the claimed design; and,

FIG. 2 is a front elevational view thereof, on an enlarged scale, the broken line drawings of an electronic hitch coupling system and other icons are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a display icon for an electronic hitch coupling system, as shown and described. 